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Researchers discover that sand behaves like water

Xeger (20906) writes | more than 5 years ago

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Xeger writes "University of Chicago researchers have found that streams of sand can behave similar to liquids, forming water-like droplets when poured from a funnel. To obtain these results they dropped their expensive high-speed camera from a height of several meters and observed the sand forming into droplets — something that shouldn't happen without surface tension! These findings suggest that conventional engineering wisdom about sand, dirt and other grainy materials needs to be rethought, and that it might be possible to apply fluid dynamics to some solids problems!"
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